Comparison of Konica Minolta AF 16mm f/2.8 Fisheye and Sigma 15mm f/2.8 EX DG Diagonal Fisheye

Attribute	Konica Minolta AF 16mm f/2.8 Fisheye ×	Sigma 15mm f/2.8 EX DG Diagonal Fisheye ×
Weight (g)	400	370
Type	Fisheye Prime	Fisheye Prime
Brand	Konica-minolta	Sigma
Name	Konica Minolta AF 16mm f/2.8 Fisheye	Sigma 15mm f/2.8 EX DG Diagonal Fisheye
Focal Length (mm)	16.00	15.00
Image Circle	35mm	35mm
Lens Construction	11 elements in 8 groups	7 elements in 6 groups
Diameter (mm)	74	73.5
Closest Focus (m)	0.21	0.15
Focus Details	Rear focusing	-
Magnification Ratio (x)	0.15	0.26
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diagonal Angle of View (degree)	180.00	180.00
Notes	-	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax
APS Equivalent	24mm	1.5x: 22.5mm; 1.6x: 24mm
Diaphragm Blades	-	7
Length (mm)	69	65